20335425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^2$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 36912816

約数和(自身を除く): 16577391

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 157, 165, 275, 471, 785, 825, 1727, 2355, 3925, 5181, 8635, 11775, 24649, 25905, 43175, 73947, 123245, 129525, 271139, 369735, 616225, 813417, 1355695, 1848675, 4067085, 6778475, 20335425]

約数ペア:

[(1, 20335425), (3, 6778475), (5, 4067085), (11, 1848675), (15, 1355695), (25, 813417), (33, 616225), (55, 369735), (75, 271139), (157, 129525), (165, 123245), (275, 73947), (471, 43175), (785, 25905), (825, 24649), (1727, 11775), (2355, 8635), (3925, 5181)]